/* ==========================================================
   Brebo — hoja de estilos principal
   Colores de marca: azul #1F5BD6 · gris #8A94A4 / #5B6475
   ========================================================== */

:root {
  --blue: #1F5BD6;
  --blue-600: #1849B3;
  --blue-400: #4C84F0;
  --blue-50: #EEF3FD;
  --blue-100: #DCE6FB;
  --navy: #0B1630;
  --navy-2: #12224A;
  --ink: #0F172A;
  --text: #475063;
  --gray: #5B6475;
  --gray-2: #8A94A4;
  --gray-3: #A9B2C1;
  --line: #E3E7EE;
  --soft: #F5F7FB;
  --white: #FFFFFF;
  --ok: #16A34A;
  --warn: #D97706;

  --font-head: "Outfit", "Century Gothic", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .06), 0 1px 3px rgba(15, 23, 42, .05);
  --shadow: 0 10px 30px -12px rgba(15, 23, 42, .18), 0 2px 6px rgba(15, 23, 42, .05);
  --shadow-lg: 0 30px 60px -20px rgba(11, 22, 48, .35);
  --wrap: 1180px;
  --header-h: 72px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-600); }
h1, h2, h3, h4 { text-wrap: balance; font-family: var(--font-head); color: var(--ink); line-height: 1.12; margin: 0 0 .5em; letter-spacing: -.02em; }
h1 { font-size: clamp(2.5rem, 5.4vw, 4.1rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--blue-400); outline-offset: 3px; border-radius: 6px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.section { padding: 110px 0; }
.section--soft { background: var(--soft); }
.section--dark { background: var(--navy); color: var(--gray-3); }
.section--dark h2, .section--dark h3 { color: var(--white); }
.section-head { max-width: 720px; margin-bottom: 56px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { font-size: 1.12rem; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 600; font-size: .82rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--blue);
  margin-bottom: 16px;
}
.eyebrow::before { content: ""; width: 22px; height: 3px; border-radius: 3px; background: currentColor; }
.section--dark .eyebrow { color: var(--blue-400); }

.skip-link { position: absolute; left: -9999px; top: 8px; z-index: 200; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; }
.skip-link:focus { left: 12px; color: #fff; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font-family: var(--font-head); font-weight: 600; font-size: 1rem; line-height: 1;
  padding: 16px 26px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease;
  white-space: nowrap;
}
.btn svg { width: 20px; height: 20px; flex: none; }
.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 10px 24px -10px rgba(31, 91, 214, .7); }
.btn--primary:hover { background: var(--blue-600); color: #fff; transform: translateY(-2px); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); color: var(--ink); transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--blue); }
.btn--light:hover { background: var(--blue-50); color: var(--blue-600); transform: translateY(-2px); }
.btn--outline-light { color: #fff; border-color: rgba(255, 255, 255, .35); }
.btn--outline-light:hover { border-color: #fff; color: #fff; transform: translateY(-2px); }
.btn--sm { padding: 12px 20px; font-size: .95rem; }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 100; height: var(--header-h);
  background: rgba(255, 255, 255, .86); backdrop-filter: saturate(180%) blur(14px); -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .25s ease, box-shadow .25s ease;
}
.header.is-scrolled { border-color: var(--line); box-shadow: 0 6px 20px -16px rgba(15, 23, 42, .4); }
.header .wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand img { height: 34px; width: auto; }
.nav { display: flex; align-items: center; gap: 28px; }
.nav a:not(.btn) { color: var(--gray); font-weight: 500; font-size: .98rem; white-space: nowrap; }
.nav a:not(.btn):hover { color: var(--ink); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--ink); }
.nav-toggle svg { width: 28px; height: 28px; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 80px 0 100px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(900px 480px at 85% 10%, rgba(31, 91, 214, .10), transparent 65%),
    radial-gradient(700px 400px at 0% 100%, rgba(138, 148, 164, .12), transparent 60%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 70% 30%, #000 20%, transparent 75%);
}
.hero .wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.hero h1 .accent { color: var(--blue); display: block; }
.hero-lead { font-size: 1.2rem; max-width: 560px; margin-bottom: 34px; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 38px; }
.checks { display: grid; gap: 10px; }
.checks li { display: flex; align-items: flex-start; gap: 10px; font-size: .98rem; color: var(--gray); }
.checks svg { width: 20px; height: 20px; flex: none; margin-top: 3px; color: var(--blue); }

/* Visual del hero */
.flow-card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: 22px;
  box-shadow: var(--shadow-lg); padding: 22px 22px 18px;
}
.flow-card__bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.flow-card__dots { display: flex; gap: 6px; }
.flow-card__dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--line); }
.flow-card__tag { font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--gray-2); }
.flow-svg { width: 100%; height: auto; }
.flow-svg .node rect { fill: var(--soft); stroke: var(--line); }
.flow-svg .node text { font-family: var(--font-body); font-size: 13px; font-weight: 600; fill: var(--gray); }
.flow-svg .node--out rect { fill: var(--blue-50); stroke: var(--blue-100); }
.flow-svg .node--out text { fill: var(--blue-600); }
.flow-svg .wire { fill: none; stroke: var(--gray-3); stroke-width: 2; stroke-dasharray: 5 7; animation: flow 1.6s linear infinite; }
.flow-svg .wire--out { stroke: var(--blue-400); }
.flow-svg .label { font-family: var(--font-head); font-size: 11px; font-weight: 600; letter-spacing: .12em; fill: var(--gray-2); }
@keyframes flow { to { stroke-dashoffset: -24; } }
.hub-pulse { transform-origin: 260px 176px; animation: pulse 2.6s ease-out infinite; }
@keyframes pulse { 0% { transform: scale(1); opacity: .45; } 100% { transform: scale(1.6); opacity: 0; } }

.feed { border-top: 1px solid var(--line); margin-top: 6px; padding-top: 14px; display: grid; gap: 9px; }
.feed li { display: flex; align-items: center; gap: 10px; font-size: .88rem; color: var(--gray); }
.feed .dot { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; flex: none; }
.feed .dot svg { width: 13px; height: 13px; }
.feed .dot--ok { background: #E8F7EE; color: var(--ok); }
.feed .dot--warn { background: #FEF3E2; color: var(--warn); }
.feed .dot--info { background: var(--blue-50); color: var(--blue); }
.feed time { margin-left: auto; font-size: .78rem; color: var(--gray-2); font-variant-numeric: tabular-nums; }

/* ---------- Franja de integraciones ---------- */
.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 26px 0; background: #fff; }
.strip .wrap { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; justify-content: center; }
.strip p { margin: 0; font-size: .85rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--gray-2); }
.strip ul { display: flex; flex-wrap: wrap; gap: 10px 28px; justify-content: center; }
.strip li { font-family: var(--font-head); font-weight: 600; font-size: 1.05rem; color: var(--gray); opacity: .8; }

/* ---------- Tarjetas genéricas ---------- */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue-100); }
.card p { margin: 0; font-size: .98rem; }
.icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--blue-50); color: var(--blue); margin-bottom: 20px;
}
.icon svg { width: 26px; height: 26px; }

/* Dolor */
.pain { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.pain .card { padding: 26px; }
.pain .icon { background: #F1F3F7; color: var(--gray); }
.pain h3 { font-size: 1.08rem; }
.pain-close { margin-top: 44px; text-align: center; font-family: var(--font-head); font-size: 1.35rem; color: var(--ink); font-weight: 500; }
.pain-close strong { color: var(--blue); font-weight: 700; }

/* Servicios */
.service h3 { margin-bottom: 10px; }
.service ul { margin-top: 16px; display: grid; gap: 6px; }
.service li { font-size: .92rem; color: var(--gray); display: flex; gap: 8px; }
.service li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); margin-top: 10px; flex: none; }

/* ---------- Casos de uso (tabs) ---------- */
.tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.tab {
  font-family: var(--font-head); font-weight: 600; font-size: .98rem;
  padding: 12px 20px; border-radius: 999px; border: 1px solid var(--line); background: #fff; color: var(--gray);
  cursor: pointer; transition: all .2s ease;
}
.tab:hover { border-color: var(--blue-100); color: var(--ink); }
.tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.panel { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.panel[hidden] { display: none; }
.panel-title { grid-column: 1 / -1; margin-bottom: 0; }
.panel-title h3 { font-size: 1.6rem; margin-bottom: 6px; }
.panel-title p { margin: 0; }
.ba { border-radius: var(--radius); padding: 28px; border: 1px solid var(--line); background: #fff; }
.ba h4 { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.ba ul { display: grid; gap: 12px; }
.ba li { display: flex; gap: 12px; font-size: .98rem; }
.ba li svg { width: 20px; height: 20px; flex: none; margin-top: 3px; }
.ba--before h4 { color: var(--gray-2); }
.ba--before li svg { color: var(--gray-3); }
.ba--after { background: linear-gradient(160deg, var(--blue-50), #fff 70%); border-color: var(--blue-100); }
.ba--after h4 { color: var(--blue); }
.ba--after li { color: var(--ink); }
.ba--after li svg { color: var(--blue); }

/* ---------- Proceso ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; list-style: none; margin: 0; padding: 0; }
.steps::before {
  content: ""; position: absolute; top: 27px; left: 28px; right: calc(25% - 46px); height: 2px;
  background: repeating-linear-gradient(90deg, rgba(255, 255, 255, .22) 0 8px, transparent 8px 16px);
}
.step { position: relative; }
.step-num {
  width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center; position: relative;
  font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; color: #fff;
  background: var(--navy-2); border: 2px solid var(--blue-400); margin-bottom: 22px;
}
.step-time { display: inline-block; font-size: .78rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--blue-400); margin-bottom: 8px; }
.step p { font-size: .98rem; margin: 0; }

/* ---------- Diagnóstico ---------- */
.offer {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 0; border-radius: 24px; overflow: hidden;
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow);
}
.offer-main { padding: 52px; }
.offer-main p { font-size: 1.08rem; }
.offer-side { padding: 52px; background: linear-gradient(155deg, var(--blue) 0%, var(--blue-600) 100%); color: #DCE6FB; }
.offer-side h3 { color: #fff; margin-bottom: 20px; }
.offer-side .checks li { color: #fff; }
.offer-side .checks svg { color: #9FC0FF; }
.offer-note { margin-top: 26px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .2); font-size: .95rem; }

/* ---------- Calculadora ---------- */
.roi { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
.roi-form { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 36px; display: grid; gap: 26px; }
.field-range label { display: flex; justify-content: space-between; align-items: baseline; font-weight: 600; color: var(--ink); font-size: .98rem; margin-bottom: 12px; }
.field-range output { font-family: var(--font-head); font-size: 1.15rem; color: var(--blue); font-variant-numeric: tabular-nums; }
.field-range small { display: block; color: var(--gray-2); font-size: .85rem; margin-top: 6px; }
input[type="range"] { width: 100%; appearance: none; -webkit-appearance: none; height: 6px; border-radius: 6px; background: var(--line); outline-offset: 6px; }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 22px; height: 22px; border-radius: 50%; background: var(--blue); border: 4px solid #fff; box-shadow: 0 0 0 1px var(--blue-100), 0 2px 6px rgba(31, 91, 214, .4); cursor: pointer; }
input[type="range"]::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--blue); border: 4px solid #fff; box-shadow: 0 0 0 1px var(--blue-100), 0 2px 6px rgba(31, 91, 214, .4); cursor: pointer; }
.roi-result {
  border-radius: 20px; padding: 40px; background: var(--navy); color: var(--gray-3);
  display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden;
}
.roi-result::after { content: ""; position: absolute; width: 360px; height: 360px; border-radius: 50%; right: -140px; top: -140px; background: rgba(31, 91, 214, .25); }
.roi-result > * { position: relative; z-index: 1; }
.roi-kpi { margin-bottom: 26px; }
.roi-kpi span { display: block; font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 600; margin-bottom: 4px; }
.roi-kpi strong { font-family: var(--font-head); font-size: clamp(2.2rem, 4.4vw, 3.3rem); color: #fff; line-height: 1.1; font-variant-numeric: tabular-nums; }
.roi-kpi--sm strong { font-size: 1.7rem; color: var(--blue-400); }
.roi-result p { font-size: .88rem; margin: 6px 0 24px; }

/* ---------- Por qué Brebo ---------- */
.why .card { background: transparent; border-color: rgba(255, 255, 255, .1); }
.why .card:hover { background: rgba(255, 255, 255, .03); border-color: rgba(76, 132, 240, .5); box-shadow: none; }
.why .icon { background: rgba(76, 132, 240, .14); color: var(--blue-400); }
.why .card p { color: var(--gray-3); }

/* ---------- FAQ ---------- */
.faq { max-width: 860px; margin: 0 auto; display: grid; gap: 14px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 0 26px; transition: border-color .2s ease, box-shadow .2s ease; }
.faq details[open] { border-color: var(--blue-100); box-shadow: var(--shadow-sm); }
.faq summary {
  cursor: pointer; list-style: none; padding: 22px 0; font-family: var(--font-head); font-weight: 600; font-size: 1.1rem; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; width: 12px; height: 12px; flex: none; border-right: 2.5px solid var(--blue); border-bottom: 2.5px solid var(--blue);
  transform: rotate(45deg) translate(-3px, -3px); transition: transform .25s ease;
}
.faq details[open] summary::after { transform: rotate(225deg) translate(-3px, -3px); }
.faq details p { margin: 0 0 22px; }

/* ---------- Contacto ---------- */
.contact { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.contact-info .checks { margin: 28px 0 36px; }
.contact-list { display: grid; gap: 14px; }
.contact-list a, .contact-list div {
  display: flex; align-items: center; gap: 16px; padding: 18px 20px; border-radius: 14px;
  border: 1px solid var(--line); background: #fff; color: var(--ink); font-weight: 500;
  transition: border-color .2s ease, transform .2s ease;
}
.contact-list a:hover { border-color: var(--blue-100); transform: translateX(4px); color: var(--ink); }
.contact-list .icon { margin: 0; width: 44px; height: 44px; border-radius: 12px; }
.contact-list .icon svg { width: 22px; height: 22px; }
.contact-list small { display: block; color: var(--gray-2); font-weight: 400; font-size: .85rem; }

.form { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 40px; box-shadow: var(--shadow); }
.form h3 { font-size: 1.5rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 24px 0; }
.field { display: grid; gap: 7px; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: .9rem; font-weight: 600; color: var(--ink); }
.field label .opt { color: var(--gray-2); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: 1rem; color: var(--ink); background: var(--soft);
  border: 1px solid var(--line); border-radius: 10px; padding: 13px 15px; transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; background: #fff; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(31, 91, 214, .12); }
.field input:user-invalid, .field select:user-invalid, .field textarea:user-invalid { border-color: #DC2626; }
.form-note { font-size: .88rem; color: var(--gray); margin: 0 0 22px; }
.form-status { margin-top: 16px; font-size: .95rem; padding: 0; border-radius: 10px; }
.form-status:empty { display: none; }
.form-status.is-ok { padding: 14px 16px; background: #E8F7EE; color: #166534; }
.form-status.is-error { padding: 14px 16px; background: #FDECEC; color: #991B1B; }
.btn[disabled] { opacity: .7; pointer-events: none; }

/* ---------- CTA final ---------- */
.cta-band { background: linear-gradient(135deg, var(--blue) 0%, var(--blue-600) 60%, var(--navy-2) 100%); color: #DCE6FB; border-radius: 28px; padding: 64px; display: flex; justify-content: space-between; align-items: center; gap: 36px; position: relative; overflow: hidden; }
.cta-band::after { content: ""; position: absolute; width: 420px; height: 420px; right: -120px; bottom: -220px; border-radius: 50%; border: 60px solid rgba(255, 255, 255, .07); }
.cta-band h2 { color: #fff; margin-bottom: 10px; }
.cta-band p { margin: 0; font-size: 1.1rem; max-width: 560px; }
.cta-band .hero-ctas { margin: 0; position: relative; z-index: 1; flex-wrap: nowrap; }

/* ---------- Footer ---------- */
.footer { background: var(--navy); color: var(--gray-3); padding: 72px 0 32px; font-size: .95rem; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer img { height: 34px; width: auto; margin-bottom: 18px; }
.footer h4 { color: #fff; font-size: .9rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 18px; }
.footer ul { display: grid; gap: 10px; }
.footer a { color: var(--gray-3); }
.footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding-top: 28px; font-size: .88rem; }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90; width: 60px; height: 60px; border-radius: 50%;
  background: #25D366; color: #fff; display: grid; place-items: center; box-shadow: 0 12px 28px -8px rgba(37, 211, 102, .7);
  transition: transform .2s ease;
}
.wa-float:hover { transform: scale(1.08); color: #fff; }
.wa-float svg { width: 32px; height: 32px; }

/* ---------- Páginas legales / simples ---------- */
.page { padding: 80px 0 110px; }
.prose { max-width: 820px; }
.prose h1 { font-size: clamp(2rem, 4vw, 2.8rem); }
.prose h2 { font-size: 1.4rem; margin-top: 2em; }
.prose ul { list-style: disc; padding-left: 1.3em; margin-bottom: 1em; }
.prose li { margin-bottom: .4em; }
.prose .updated { color: var(--gray-2); font-size: .95rem; }
.center-page { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 80px 0; }
.center-page .big { font-family: var(--font-head); font-size: clamp(5rem, 14vw, 9rem); font-weight: 700; color: var(--blue); line-height: 1; margin-bottom: 10px; }
.center-page .hero-ctas { justify-content: center; }

/* ---------- Animación de aparición ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .pain, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 44px; }
  .steps::before { display: none; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 1060px) {
  .nav-toggle { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 24px 24px; box-shadow: var(--shadow);
    transform: translateY(-12px); opacity: 0; visibility: hidden; transition: all .25s ease;
  }
  .nav.is-open { transform: none; opacity: 1; visibility: visible; }
  .nav a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 1.05rem; }
  .nav .btn { margin-top: 18px; }
}

@media (max-width: 900px) {
  :root { --header-h: 64px; }
  body { font-size: 16px; }
  .section { padding: 80px 0; }
  .hero { padding: 48px 0 72px; }
  .hero .wrap, .offer, .roi, .contact, .panel { grid-template-columns: 1fr; }
  .hero .wrap { gap: 48px; }
  .offer-main, .offer-side { padding: 36px 28px; }
  .contact { gap: 40px; }

}

@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  .pain, .grid--2, .grid--3, .grid--4, .steps { grid-template-columns: 1fr; }
  .form { padding: 26px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .roi-form, .roi-result { padding: 26px 22px; }
  .cta-band { padding: 40px 24px; border-radius: 22px; }
  .cta-band .hero-ctas { flex-wrap: wrap; width: 100%; }
  .hero-ctas .btn { flex: 1 1 100%; }
  .footer-top { grid-template-columns: 1fr; }
  .brand img { height: 30px; }
  .tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; margin-left: -16px; margin-right: -16px; padding-left: 16px; padding-right: 16px; scrollbar-width: none; }
  .tab { flex: none; }
  .wa-float { width: 54px; height: 54px; right: 16px; bottom: 16px; }
}